STEAM FLOW RATE CONTROL METHOD FOR BOILER, AND INCINERATOR SYSTEM

WIPO Patent Application WO/2017/094150

A1

By this steam flow rate control method for a boiler, the flow rate of steam generated from the boiler provided in an incinerator is controlled by supply of combustion air and exhaust gas recirculation gas to a combustion chamber in the incinerator. The method comprises: detecting the flow rate of generated steam; calculating the flow rate of operational steam from the flow rate of generated steam and a target flow rate of steam; calculating a supply flow rate of combustion air on the basis of the flow rate of operational steam; supplying the combustion air to a combustion chamber at the supply flow rate of the combustion air; calculating a reference supply flow rate of exhaust gas recirculation gas on the basis of the incinerator temperature and the flow rate of outlet exhaust gas; calculating a supply flow rate of exhaust gas recirculation gas on the basis of the flow rate of operational steam and the reference supply flow rate of exhaust gas recirculation gas; and supplying the exhaust gas recirculation gas to the combustion chamber at the supply flow rate of the exhaust gas recirculation gas.

JPS60200003	STEAM GENERATOR
JPS6011281	[Title of the Invention] How to prevent a flow instability phenomenon of a heat exchanger
JPH11281001	METHOD FOR CONTROLLING BOILER LOAD

YAMASE KOHEI
FURUBAYASHI MICHITAKA
MIYAMOTO YASUHIRO
SATO TAKUO

PCT/JP2015/083923

June 08, 2017

December 02, 2015

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HITACHI SHIPBUILDING ENG CO (JP)

F22B35/00; F23G5/46; F23G5/50

JPH04254101A	1992-09-09
JP2001041403A	2001-02-13
JPS60251315A	1985-12-12
JPH03199806A	1991-08-30
JPS61235601A	1986-10-20
JPH11294740A	1999-10-29
JPS6446506A	1989-02-21

MORIMOTO INT'L PATENT OFFICE (JP)

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